With ARBST Tester
1. Switch Alternator, Regulator, Battery and Starter Tester (ARBST) 010-00725, or equivalent, to ammeter function, then connect positive and negative leads to battery.2. Connect current probe to alternator "B+" output lead.
3. With engine running at 2000 RPM, adjust ARBST load bank to determine alternator output.
4. Alternator is functioning properly if total alternator output is more than minimum specified. Specifications